#! /usr/bin/sdlbrt
finp$="SimonTheSnake_sms.png"

dim dpvl[8]
function hexvl(a$)
   e=asc(ucase$(a$))
   hexvl=abs(((e>=48 and e<=57)*(e-48))+((e>=65 and e<=70)*(e-55)))
 end function
sub hexvpr(a$)
     lngta=len(a$):i=1
  while i<=lngta
     m1$=mid$(a$,i,1):m2$=mid$(a$,i+1,1)
     b=(hexvl(m1$)*16)+hexvl(m2$):WriteByte(1,b):i+=2
   end while
 end sub
function bthx$(a)
  b$="00"+hex$(a):bthx$=right$(b$,2)
 end function



clstr=0 '- 0..3
xed=128:yed=128:wdwd=1
shell("rm _t*.png")
shell("convert "+finp$+" -scale "+str$(xed*4)+"x"+str$(yed*4)+"! _t2.png")
shell("convert "+finp$+" +dither -colors 16 _t4.png")
shell("convert _t4.png +dither -posterize 4 _t5.png")
shell("convert _t5.png +dither -colors 16 _t6.png")
shell("convert _t2.png -quantize CMY -remap _t6.png -dither Riemersma _t3.png")
shell("convert _t3.png -unique-colors -scale 400% _t4.png")


setdisplay(xed*4,yed*4,32,wdwd):paper(8^8-1):ink(0):pen(0):cls
loadimage("_t3.png",1):pasteicon(0,0,1)

dim p1[16],k1[16]

function grayscale(ct):
  cq=ct
  bq=bitwiseand(cq,255):cq=int(cq/256)
  gq=bitwiseand(cq,255):cq=int(cq/256)
  rq=bitwiseand(cq,255):cq=int(cq/256)
  return int(((rq*30)+(gq*59)+(bq*11))/100)
  end function

for y2=0 to yed-1
  setcaption(str$(int(100*(y2/yed)))+"%")
  for x2=0 to xed-1
    for y1=0 to 3:for x1=0 to 3
      xq=y1*4+x1
      p1[xq]=point(x2*4+x1,y2*4+y1)
      next:next
    for i=0 to 15
      k1[i]=grayscale(p1[i])
      next
    for j=0 to 14:for i=0 to 14
      if k1[i]>k1[i+1] then:
        tm=k1[i]:k1[i]=k1[i+1]:k1[i+1]=tm
        tm=p1[i]:p1[i]=p1[i+1]:p1[i+1]=tm
        end if
      next:next

    if clstr=0 then:
    ink(p1[ 0]):dot(x2*4+0,y2*4+0)
    ink(p1[ 6]):dot(x2*4+1,y2*4+0)    
    ink(p1[ 9]):dot(x2*4+2,y2*4+0)
    ink(p1[15]):dot(x2*4+3,y2*4+0)
    ink(p1[ 4]):dot(x2*4+0,y2*4+1)
    ink(p1[10]):dot(x2*4+1,y2*4+1)
    ink(p1[ 3]):dot(x2*4+2,y2*4+1)
    ink(p1[13]):dot(x2*4+3,y2*4+1)
    ink(p1[ 8]):dot(x2*4+0,y2*4+2)
    ink(p1[14]):dot(x2*4+1,y2*4+2)
    ink(p1[ 1]):dot(x2*4+2,y2*4+2)
    ink(p1[ 7]):dot(x2*4+3,y2*4+2)
    ink(p1[ 2]):dot(x2*4+0,y2*4+3)
    ink(p1[12]):dot(x2*4+1,y2*4+3)
    ink(p1[ 5]):dot(x2*4+2,y2*4+3)
    ink(p1[11]):dot(x2*4+3,y2*4+3)
    end if
    
    if clstr=1 then:
    ink(p1[ 0]):dot(x2*4+0,y2*4+0)
    ink(p1[ 4]):dot(x2*4+1,y2*4+0)    
    ink(p1[ 8]):dot(x2*4+2,y2*4+0)
    ink(p1[12]):dot(x2*4+3,y2*4+0)
    ink(p1[10]):dot(x2*4+0,y2*4+1)
    ink(p1[14]):dot(x2*4+1,y2*4+1)
    ink(p1[ 2]):dot(x2*4+2,y2*4+1)
    ink(p1[ 6]):dot(x2*4+3,y2*4+1)
    ink(p1[ 1]):dot(x2*4+0,y2*4+2)
    ink(p1[ 5]):dot(x2*4+1,y2*4+2)
    ink(p1[ 9]):dot(x2*4+2,y2*4+2)
    ink(p1[13]):dot(x2*4+3,y2*4+2)
    ink(p1[11]):dot(x2*4+0,y2*4+3)
    ink(p1[15]):dot(x2*4+1,y2*4+3)
    ink(p1[ 3]):dot(x2*4+2,y2*4+3)
    ink(p1[ 7]):dot(x2*4+3,y2*4+3)
    end if

    if clstr=2 then:
    ink(p1[ 0]):dot(x2*4+0,y2*4+0)
    ink(p1[10]):dot(x2*4+1,y2*4+0)    
    ink(p1[ 1]):dot(x2*4+2,y2*4+0)
    ink(p1[11]):dot(x2*4+3,y2*4+0)
    ink(p1[ 4]):dot(x2*4+0,y2*4+1)
    ink(p1[14]):dot(x2*4+1,y2*4+1)
    ink(p1[ 5]):dot(x2*4+2,y2*4+1)
    ink(p1[15]):dot(x2*4+3,y2*4+1)
    ink(p1[ 8]):dot(x2*4+0,y2*4+2)
    ink(p1[ 2]):dot(x2*4+1,y2*4+2)
    ink(p1[ 9]):dot(x2*4+2,y2*4+2)
    ink(p1[ 3]):dot(x2*4+3,y2*4+2)
    ink(p1[12]):dot(x2*4+0,y2*4+3)
    ink(p1[ 6]):dot(x2*4+1,y2*4+3)
    ink(p1[13]):dot(x2*4+2,y2*4+3)
    ink(p1[ 7]):dot(x2*4+3,y2*4+3)
    end if

    if clstr=3 then:
    ink(p1[ 0]):dot(x2*4+0,y2*4+0)
    ink(p1[12]):dot(x2*4+1,y2*4+0)    
    ink(p1[ 3]):dot(x2*4+2,y2*4+0)
    ink(p1[15]):dot(x2*4+3,y2*4+0)
    ink(p1[ 8]):dot(x2*4+0,y2*4+1)
    ink(p1[ 4]):dot(x2*4+1,y2*4+1)
    ink(p1[11]):dot(x2*4+2,y2*4+1)
    ink(p1[ 7]):dot(x2*4+3,y2*4+1)
    ink(p1[ 2]):dot(x2*4+0,y2*4+2)
    ink(p1[14]):dot(x2*4+1,y2*4+2)
    ink(p1[ 1]):dot(x2*4+2,y2*4+2)
    ink(p1[13]):dot(x2*4+3,y2*4+2)
    ink(p1[10]):dot(x2*4+0,y2*4+3)
    ink(p1[ 6]):dot(x2*4+1,y2*4+3)
    ink(p1[ 9]):dot(x2*4+2,y2*4+3)
    ink(p1[ 5]):dot(x2*4+3,y2*4+3)
    end if

    x1=x2 mod 4:y1=y2 mod 4
    u=point(x2*4+x1,y2*4+y1)
    ink(u):dot(x2,y2)
    next:next

'loadimage("_t4.png",1):pasteicon(xed,0,1)

loadimage("palette01.png",1):pasteicon(xed,0,1)

shell("rm _t*.png")

'-------------------------------------------------------------------------------

for y2=0 to yed-1
  setcaption(str$(int(100*(y2/yed)))+"%")
  for x2=0 to xed-1
    u=point(x2,y2)
    for c2=15 to 0 step -1
      cp=point(xed+c2*4,0)
      if (u=cp) then:

        ink(0xFFFFFF)
        if bitwiseand(c2,1)<>0 then:ink(0):end if
        dot((xed*0)+x2,yed+y2)

        ink(0xFFFFFF)
        if bitwiseand(c2,2)<>0 then:ink(0):end if
        dot((xed*1)+x2,yed+y2)

        ink(0xFFFFFF)
        if bitwiseand(c2,4)<>0 then:ink(0):end if
        dot((xed*2)+x2,yed+y2)

        ink(0xFFFFFF)
        if bitwiseand(c2,8)<>0 then:ink(0):end if
        dot((xed*3)+x2,yed+y2)

        end if
      next
    next:next


'-------------------------------------------------------------------------------

open finp$+".bin" for output as #1

for y3=0 to yed-1 step 8
  for x1=0 to xed-1 step 8
    for y4=0 to 7
      'for y2=0 to yed-1
      y2=y3+y4
      for x0=0 to 3
        setcaption(str$(y2)+"/"+str$(yed))
        y=yed+y2
        for x2=0 to 7:dpvl[x2]=0:next
        for x2=0 to 7:xp=(x0*xed)+x1+x2
          g=bitwiseand(point(xp,y),0x00FF00)/256
          if g<128 then:dpvl[x2]=1:end if
          next
        dpvb=0
        for x2=0 to 7:dpvb=dpvb+(dpvl[x2]*(2^(7-x2))):next
        writebyte(1,dpvb)
        next:next:next:next

'-------------------------------------------------------------------------------


for x0=0 to 15
  u=point(xed+(x0*4),0)  
  'r=bitwiseand(u,0xC00000)/0x40000
  'g=bitwiseand(u,0x00C000)/0x1000 
  'b=bitwiseand(u,0x0000C0)/0x40   
  r=bitwiseand(u,0xC00000)/0x400000
  g=bitwiseand(u,0x00C000)/0x1000 
  b=bitwiseand(u,0x0000C0)/0x4   
  q=bitwiseor(g,b)
  q=bitwiseor(q,r)
  writebyte(1,q)
  next


'for x0=0 to 15
'  u=point(xed+(x0*4),0)  
'  r=bitwiseand(u,0xF00000)/0x100000
'  g=bitwiseand(u,0x00F000)/0x100
'  b=bitwiseand(u,0x0000F0)/0x10
'  writebyte(1,r)
'  writebyte(1,bitwiseor(g,b))
'  next

close #1

'-------------------------------------------------------------------------------

open finp$+".hex" for output as #1:open finp$+".bin" for input as #2
  print #1,"goto bin01end"
  print #1,"bin01:"
  print #1,"asm"
  a$="  defb "
   while not(eof(2))
        aln=len(a$)
     if aln>=68 then
        tzl=len(a$):a$=left$(a$,tzl-1):print #1,a$:a$="  defb "
      end if
     u=readbyte(2)
     a$=a$+"$"+bthx$(u):a$=a$+","
   end while
        aln=len(a$)
     if aln>0 then
        tzl=len(a$):a$=left$(a$,tzl-1):print #1,a$:a$="  defb "
      end if
  print #1,"  end asm"
  print #1,"bin01end:"
 close #1:close #2

shell ("rm "+finp$+".bin")

'-------------------------------------------------------------------------------

'waitkey
'grab(1,0,0,xed,yed):saveimage("_.bmp",1):shell("convert _.bmp "+finp$+".png && rm _.bmp" )
'shell("convert "+finp$+".png  -colors 16 -compress None "+finp$+".ilbm ")
'shell("convert "+finp$+".png _.ppm && ppmtopi1 _.ppm > "+finp$+".pi1 && rm _.ppm")
'waitkey

